See also:

Low outside temperatures
DEF freezes at a temperature of approximately 12 °F (–11 °C). The vehicle is equipped with a DEF preheating system when it leaves the factory. Winter operation is therefore also guaranteed at ...

Closing
- Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages. - Close the fuel filler flap. If you drive with the fuel filler cap open, reserve fuel warning la ...

Nuts & Bolts
Overall reliability for the current C-Class has been average. In crash tests by the Insurance Institute for Highway Safety, the car earned the top score of Good in front, side, rear and roof-crush ...